From its early beginnings in World War II, the Special Air Service (SAS) has won renown for some of the most dramatic, dangerous, and controversial special operations of the 20th century. It is a secretive and mysterious unit, whose operations and internal structures are hidden from the public eye. Now, one of its longest-serving veterans offers a glimpse inside its shadowy world. Rusty Firmin spent 15 years with 'The Regiment' and was a key figure in the Iranian Embassy siege in May 1980, the planned attack on Argentina during the Falklands War, and the secret conflict between the SAS and IRA in the 1980s. This is the unforgettable chronicle of Rusty's combat experiences, transporting the reader back to the cutting edge of the SAS's deadly covert missions during the crises of the 1980s and 1990s. But even more fascinating is his intimate portrayal of what the service was actually like to live and work in. Having served as a paramedic, a demolitions expert, a linguist, and the senior SAS bodyguard instructor, Rusty draws on a unique breadth of experience to delve into the hidden world of the SAS as an institution.